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New KT150 tubes?

Has anyone any experience with these pretty new tubes. There are already one or 2 amps I know of, that use them. The review of one of these amps in a UK magazine suggested they were a little warmer and more natural sounding than the nearly new KT120's

The article also suggested they were a straight swap for KT120 based amps, with no adjustment necessary. They are more than twice the cost of KT120's, but still not too costly compared with NOS tubes. I know changing from KT88's or 90's to 120's. did require some amp modification. I have an ARC reference 75 and might want to try the new tubes at some point, ARC don't seem to have a customer E-mail service, to ask the question
david12
bifwynne
2,206 posts
 
Thanks for the update Tsushima. Hopefully Gary (Hifigeek) will catch this thread and post another ARC update on status.
hifigeek1
770 posts
 
I shall try and ask this week.
tsushima1
1,165 posts
 
Good evening Gary.

I was wondering whether you had been in receipt of any further 'Official' news?

If so ,I sincerely hope that you have not been 'Clipped' for such temerity, And are not currently propping up a flyover, somewhere in Minnesota!
bifwynne
2,206 posts
 
Was just trolling on the Upscale Audio website and noticed they are listing the KT-150 for $92 per tube. I also checked NewSensor's posted stats for the KT-120 and KT-150. The KT-120 filament draw ranges from 1.75 to 1.95 amps. In contrast, the KT-150 is reported to pull 2 amps. To my non-techie head, the extra draw is not significant. Nevertheless, I will not drop the KT-150s into my Ref 150 amp until ARC officially clears the tube. Hopefully Gary will have something to report shortly.
tsushima1
1,165 posts
 
I shall update If/When there is any response to the following,

Quote:
Originally Posted by cesare59
After 70 hours of use i can say that kt150 it's a must for vsi75 owners!
Soundstage IS wider and deeper! Midrage it's more realistic then with kt120!
Only bass in my system are lean than before..."

My question,

"Most interesting cesare59, Do you feel that the base notes on passages of music, familiar to you, have in fact altered sonically? Or, That due to a shift in emphasis perceived elsewhere in the spectrum you are mostly experiencing a different balance to those familiar passages."
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